Home / 10,127.60-15,170.39-8,562.14

Finding the Fourth Proportional to 10,127.60, 15,170.39 and 8,562.14

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Solution

The fourth proportional to 10,127.60, 15,170.39 and 8,562.14 is: 12,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.60 : 15,170.39 = 8,562.14 : x
  2. Step 2: Convert to fraction form
    10,127.60/15,170.39 = 8,562.14/x
  3. Step 3: Cross multiply
    10,127.60x = 15,170.39 × 8,562.14
  4. Step 4: Simplify right side
    10,127.60x = 129,890,960.22
  5. Step 5: Solve for x
    x = 129,890,960.22/10,127.60
  6. Step 6: Final answer
    x = 12,825.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.